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Vulnerability CVE-2021-3582
Published: 2022-03-25
| Description: |
A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a "PVRDMA_CMD_CREATE_MR" command due to improper memory remapping (mremap). This flaw allows a malicious guest to crash the QEMU process on the host. The highest threat from this vulnerability is to system availability. |
Type:
CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
2.1/10 |
2.9/10 |
3.9/10 |
| Exploit range |
Attack complexity |
Authentication |
Local |
Low |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
None |
None |
Partial |
References: |
https://bugzilla.redhat.com/show_bug.cgi?id=1966266
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